From a total population of 19,139, Union County has a median age of 40.7. The average age of males, in Union County, is 40.5 while the average age of females is 41. When you compare this to median age of Tennessee, Union County is 2.4 years older.
The median income of individuals, in Union County, is $18,053 while the average household income is $36,009. When comparing the median income of people living in Union County to the rest of Tennessee, the average income in Union County is $6,758 less.